Granted Patent
Utility
US 6,178,521 · App. 09/083,818
Method and apparatus for disaster tolerant computer system using cascaded storage controllers
Inventor:
Bruce Filgate
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: May 22, 1998
Inventor
Bruce Filgate
Assignee (at issue)
Compaq Computer Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.